baber/WOPTO huggingface dataset:
Patent JP-H0421701-A (JP)
Title: Method for cleaning metal powder
Inventor: OHASHI YOSHIHISA
IPC: B22F1/00
Filed: 1990-05-14
Abstract: PURPOSE:To efficiently clean metal powder and to form a powder green compact having excellent characteristic by packing the metal powder in a vessel, heating this under vacuum and sucking inner part of the vessel to the vacuum after introducing cleaning gas. CONSTITUTION:The metal powder 1 is packed in the vessel 2 composed of a cylindrical body 3 and end plates 4, 7 made of mild steel, etc., and a cleaning gas introducing pipe 10 branching a degassing pipe 9 is connected with the introducing hole 5 thereof. Successively, the vessel 2 after assembling, is charged into a vacuum heating chamber 2, and the inner part of vessel 2 is made to vacuum and heated through a heating coil 15. This heating temp. is ordinarily about 400 deg.C and if necessary, this is raised to about 1000 deg.C. Together with this, during this heating, the cleaning gas of nitrogen gas, etc., is introduced into the vessel 2. Successively, the inner part of vessel 2 is sucked to the vacuum and after that, if necessary, the nitrogen gas is sealed. By this method, impurities of generated oxide and stuck material of gas and moisture, etc., on surface of the metal powder 1 are surely removed in a short time and cleaned.
Patent JP-H01295743-A (JP)
Title: Main spindle thermal displacement correcting device for machine tool
Inventor: YOSHIMI TAKAHITO
IPC: B23Q15/18
Filed: 1988-05-20
Abstract: PURPOSE:To enhance machining accuracy of a workpiece by fixing a measuring head and a contactless displacement meter respectively to a mounting rod and a mounting bracket, consisting of low thermal expansion material, and correcting a feed amount of a spindle head by the displacement amount in the point end part of a main spindle. CONSTITUTION:A measuring head 19 of a feedback scale 17 is mounted to a mounting rod 18 of low thermal expansion material parallel with the scale 17. While a mounting bracket 24 of a contactless displacement meter 23 is also constituted of low thermal expansion material. Accordingly, a measurement error by heat of the measuring head 19 and the displacement meter 23 decreases, and accurately measuring the thermal deformation of a spindle head 1 and a main spindle 6, machining accuracy is more improved by enabling the displacement in the point end of the main spindle by a sum of the thermal deformation to be accurately corrected.
Patent JP-H11315588-A (JP)
Title: Joint seal structure of outer wall
Inventor: KANBE HIDEKI
IPC: E04F13/08
Filed: 1998-05-06
Abstract: PROBLEM TO BE SOLVED: To improve fire resistance without filling a joint part with a refractory material otherwise by filling an outer wall joint gap with a refractory resilient backup material and tightly adhering a seal material on the backup material from the outside to be filled. SOLUTION: A seal backup material 18 comprising a material provided with fire resistance is inserted in a lateral joint part between upper and lower wall panels 8, 8, filling is performed into the gap between siding materials 1, 1 up to a position abutted to a lower lateral frame from the outside, and a seal material 19 is tightly adhered on the outside of the refractory backup material 18 to be filled. The joint part is a double structure of the backup material 18 comprising a refractory material and the normal seal material 19, both are adhered, at the time of a fire, in the case where a flame invades from the outside and transfers to the seal material 19, the seal material 19 is carbonized, but it does not burn out, and fire resistance property is improved together with the backup material 18. Thus, the refractory material need not be filled otherwise, and working man-hours can be reduced.
Patent JP-H08309425-A (JP)
Title: Control method for cooling of hot rolled steel sheet
Inventor: NAGATA ZENZOU
IPC: B21B37/76
Filed: 1995-05-23
Abstract: PURPOSE: To accurately determine the speed of a steel sheet and the positions of the tip and rear end of a steel sheet in a cooling device in spite of the length of the steel sheet and to control the quantity of cooling water with high accuracy. CONSTITUTION: Based on the present speed of a hot rolled steel sheet 2 and the position information of the tip and rear end of the hot rolled steel sheet 2 which are obtained by counting pulses from a pulse generator 1a for detecting the number of rotation of a finishing mill 1 and the pulse generator 3a for detecting the number of rotation of a coiler 3 for a fixed time, the quantity of the cooling water in the cooling device 6 which is installed between the finishing mill 1 and the coiler 3 is controlled.  One or more steel-sheet position detectors 8a-8h are provided between the finishing mill 1 and the coiler 3 and, based on the detected values with these steel-sheet detectors 8a-8h, the present speed of the hot rolled steel sheet 2 and position information of the tip and rear end of the hot rolled steel sheet 2 in the cooling device 6 are corrected and, based on these corrected speed and position information of the tip and rear end of the hot rolled steel sheet 2, the quantity of the cooling water in the cooling device 6 are changed.
Patent JP-S5825388-A (JP)
Title: Reduction of carbon monoxide in town gas
Inventor: IMAI MASAHIRO
IPC: C10K3/04
Filed: 1981-08-06
Abstract: PURPOSE:To decrease CO in a supplied gas and to reduce poisoning accidents due to CO in gas leakage, by providing a low-temp. CO converter for converting CO into CO2 at a specified temp., in a town gas manufacturing process. CONSTITUTION:A gas produced in a reactor 1 is cooled and, after passing  through a high-temp. converter 2, adjusted in temp. to 100-250 deg.C by partially  or entirely passing through a boiler 3. Then the gas is introduced into a low- temp. converter 4, where CO is converted into CO2 by contact with a catalyst  layer at 200-250 deg.C, and stored through water-sealing means 5 and a scrubber 6  in a gas holder. During temp. increase, combustion exhaust gas from the reactor  1 is discharged through a waste heat boiler 7 and a stack 8 to the open air.
Patent JP-S6312133-A (JP)
Title: Pattern forming substrate
Inventor: INE HIDEKI
IPC: H01L21/30
Filed: 1987-05-22
Abstract: PURPOSE:To form a pattern having a large area by using small masks, by dividing a substrate region into a plurality of sectors, and forming patterns in the divided sectors based on alignment marks provided in the divided sectors. CONSTITUTION:A pattern transfer region 1 is divided into an upper half region and a lower half region. Alignment marks 3 - 6 are formed by using an alignment-mark forming mask 2 in each divided region. Alignment marks 11 formed on a pattern forming mask 7 are aligned with the alignment marks 3 and 4 on the upper half region. Thereafter, a pattern on the upper region is formed. Then, by the similar way described above, a pattern on the lower region is formed. Thus, the pattern formation on the pattern transfer region 1 having a large area can be performed accurately by using small masks.
Patent JP-H06339226-A (JP)
Title: Ac power system interconnecting circuit for solar light power generator
Inventor: MATSUI KAGEKI
IPC: H02M7/493
Filed: 1993-05-26
Abstract: PURPOSE:To eliminate a circuit for synchronizing with a voltage of an AC power system by controlling an input current of a current type inverter to a full-wave rectified waveform, and using a control transformer in which an input side winding is connected to the AC power system to drive a controller of a switching element. CONSTITUTION:A generated voltage is smoothed by an electrolytic capacitor 11 of a DC/DC converter B, and pulsated by an intermediate speed semiconductor switching element 7. Then, it is controlled to a full-wave rectified waveform by a transformer 6 and a circulating diode 10 for supplying magnetic energy of a current smoothing reactor 12. The current smoothed at a high frequency ripple by the reactor 12 of a current type inverter C flows to a bridge circuit, and a controller 22 is driven by a control transformer 15 connected to an AC power system 21. That is, a low speed semiconductor switching element 13 connected in series with a transmitting voltage blocking diode 14 is switched in response to a polarity inversion of the system 21 to output a waveform synchronized with the system 21.
Patent JP-S61283483-A (JP)
Title: Laser beam machine
Inventor: HAYASHI TETSUJI
IPC: B23K26/10
Filed: 1985-06-10
Abstract: PURPOSE:To increase the efficiency in taking out a product or slug by providing the table to support a cut product, etc. and by making it freely movable vertically, horizontally and inclinable as well. CONSTITUTION:The discharging equipment 29 of a product, etc. is formed by a table 33, base plate 37, various links 49, 51, 65 and operating device 95. Plural links 49, 51 are fitted freely rotatably by pines 53, 55 to the front and rear end of the base plate 37. Each other end of the link 49, 51 is fitted freely rotatively to a bracket 61 and link 65 via the pin 63, 67 respectively. The connection shaft 101 at the tip of the rod 99 of the operating device 95 and a supporting plate 103 are combined freely rotatavely via a pin 105. with said mechanism, the table 33 can be inclined at the position B by moving it vertically in the horizontal state to the position A. The efficiency in taking out a product or slut is therefore increased and the equipment cost can be reduced as well.
Patent JP-S5825792-A (JP)
Title: Typewriter controlling system
Inventor: GOTOU TAKUO
IPC: H04L12/12
Filed: 1981-08-10
Abstract: PURPOSE:To change a program automatically to receive commands, by not only switching a typewriter controller to connect a typewriter but also outputting a signal when the typewriter is connected directly to an adapter. CONSTITUTION:A typewriter controller 1 is connected to a demodulator 4 through an adapter 7, and the demodulator 4 is connected to a subscriber's circuit 5. In the adapter 7, respective cable conductors of a connector CN1 are normally connected to the controller 1 through normally closed contacts of switching contacts l1-ln of a switching relay 8 but are switched and connected to respective cable conductors CN2 through switching contacts of contacts l1-ln by the operation of the relay 8. The relay 8 is connected to one cable conductor of the connector CN2 so that the relay 8 is operated by terminal ready information from a typewriter 2 when the typewriter 2 is connected to the connector CN2. A make contact l0 of the relay 8 is connected to a scanner which is not shown in figure, and turn-on/off information of the contact l0 is reported to a central processing unit which is not shown in figure.
Patent JP-S61283083-A (JP)
Title: Floating head
Inventor: TAGAWA NORIO
IPC: G11B21/21
Filed: 1985-06-10
Abstract: PURPOSE:To execute the stable recording reproduction by forming, in a circular arc shape, the air bearing surface for generating the positive pressure at the inner periphery of a magnetic recording medium. CONSTITUTION:For the floating head, at the surface opposite to the recording medium of a slider 1 for the positive pressure, a linear air bearing surface 2 for generating the positive pressure at the outer periphery of the magnetic recording medium and a circular arc-shaped air bearing surface 3 for generating the positive pressure at the inner periphery of the magnetic recording medium are formed. At the trailing edge part of the slider 1, thin film transducers 4 and 5 are provided. The machining of air bearing surfaces 2 and 3 of the floating head, for example, is executed by using the etching method, and the air bearing surface can be easily machined. To make the air bearing surface 2 for generating the positive pressure in the inner periphery thereof into the circular arc shape, the direction of the flow of the lubricating vapor and the circular arc-shaped longitudinal direction of the air bearing surface are coincident, and therefore, the floating head can suppress the phenomenon to incline in the roll direction and the floating head comes to be high in reliability.
Patent JP-H06333882-A (JP)
Title: Formation of contact hole
Inventor: SAKAMURA SHOJI
IPC: H01L21/302
Filed: 1993-05-26
Abstract: PURPOSE:To prevent a contact hole from varying in taper angle so as to provide a method of stably forming a tapered contact hole. CONSTITUTION:A contact hole 13 is bored nearly upright by dry etching, and then Ar ions are sputtered against a semiconductor substrate 11 from above. By this setup, an insulating film on the edge of the contact hole 13 moves toward the base of the contact hole 13, whereby the edge of the contact hole is tapered. Taper angles theta1 and theta2 become constant as saturated after a certain sputtering time.
Patent JP-H01293083-A (JP)
Title: Magnetic tape feed controller
Inventor: TAKEBAYASHI HIROJI
IPC: H04N5/782
Filed: 1988-05-20
Abstract: PURPOSE:To reduce fluctuation of a picture even when a video signal recorded at the time of feeding a magnetic tape intermittently is reproduced by recording a control signal with a constant interval. CONSTITUTION:The title device is a device to feed one frame of the tape intermittently setting the control signal recorded already at the time of feeding the tape at constant speed as reference, and to record the video signal of one frame during the feed of the tape. By employing such constitution, the interval of the control signal can be kept constant since the control signal is recorded at the constant speed. In such a way, it is possible to stabilize the feed of the tape at the time of performing reproduction, and to reduce the fluctuation of the picture.
Patent JP-H09306413-A (JP)
Title: Electron beam image plotter
Inventor: ONUKI KAZUYOSHI
IPC: H01J37/305
Filed: 1996-05-20
Abstract: PROBLEM TO BE SOLVED: To accurately detect even a positioning mark for intermittent plural patterns by providing an electron beam projecting electronic optical system, a deflection control system, a secondary electron detector, a signal processing system and a data control system, and performing the scanning with electron beam in the oblique direction. SOLUTION: An electron beam 102 emitted from an electron gun 101 is controlled by an electronic optical system 103, which includes a deflecting system, and the electron beam 102 scans on a positioning mark of a wafer 112, which is fixed onto a stage 113. At this stage, the emitted electron is detected by a reflected electron detector 104, and converted to the voltage signal by an analog signal processing unit 105. A range switching circuit, a zone limit circuit, a differentiating circuit or the like are mounted on the analog signal processing unit 105, and a control computer 109 performs a processing at need. The analog signal, which is processed in the analog signal processing unit 105, is converted to the digital signal at about 12 bit gradation by an A/D converter 106, and position and existence of positioning mark is detected by a digital computing unit 107.
Patent JP-S5917079-A (JP)
Title: Monitoring device for operating condition of escape valve or safety valve
Inventor: TSUNODA TOMIO
IPC: F16K17/00
Filed: 1982-07-19
Abstract: PURPOSE:To enable safe operation of a plant, by discriminating and displaying normality and abnormality of a valve with the aid of a sensor for detecting either the closing condition, the leak condition, or the opening condition of a valve and by means of the process signal of a plant. CONSTITUTION:A sensor 2 for detecting operation of a valve, consisting of an acoustic emission sensor or an accelerometer, is mounted on the body of an escape valve or a safety valve and a line 1 in the vicinity thereof, and the output thereof is applied to a signal processor 4 through an amplifier. A process signal 5 of a plant is separately inputted to the signal processor 4. A valve condition is determined depending on the output of an amplifier 3 being present at either OA or AB. Further, through utilization of the process signal, normality and abnormality of the valve is decided.
Patent JP-S5248846-A (JP)
Title: Evaporation type liquid burner
Inventor: IRITANI KOUJI
IPC: F23D3/02
Filed: 1975-10-17
Abstract: PURPOSE: Making controlling of evaporation quantity possible by only turning up and down a wick irrespective of more or liss inclination of a burner. 
     COPYRIGHT: (C)1977,JPO&Japio
Patent JP-S5350072-A (JP)
Title: Multiple electrode type electrolytic cell with ion exchange membrane
Inventor: OKAZAKI TOSHIMASA
IPC: C25B9/19
Filed: 1976-10-19
Abstract: PURPOSE:To reduce the generating amount of ClO<->3 in the electrolytic cell and to lower the voltage in the cell, by specifying the respective distances from the partition walls of the cathode chambers and the anode chambers of the filter press type electrolytic cell of particularly multiple electrodes to the surfaces of the ion exchange membranes and the height of the gas phase part in the cathode chambers
Patent JP-H06327971-A (JP)
Title: Production of chemical adsorption film
Inventor: OGAWA KAZUFUMI
IPC: B01J19/00
Filed: 1993-05-26
Abstract: PURPOSE:To high-efficiently and uniformly form a extremely thin coating film excellent in water and oil repellent property and antifouling property by atomizing to apply a solution containing a chemical adsorbent on the surface of a base material, in which an active hydrogen group is contained or introduced, in a drying atmosphere. CONSTITUTION:This chemical adsorption film is formed by atomizing and applying a non-aqueous solution containing a chlorosilane based chemical adsorbent or a thiol based chemical adsorbent on the surface of the base material having the active hydrogen group such as hydroxide group, imino group. A chemical adsorption monomolecular film or a polymer film can also be formed on the surface of the base material within a short time without restricting by the shape of the base material by previously atomizing and applying a chlorosilane compound or a solution containing chlorosilane compound on the surface of a base material 1 to form an adsorption film of a chlorosilane based monomolecular film or a polysiloxane film and applying a solution containing a chlorosilane based surfactant to carry out chemical adsorption.
Patent JP-H11313585-A (JP)
Title: Double bearing reel
Inventor: FUROMOTO YOSHIYUKI
IPC: A01K89/015
Filed: 1998-05-07
Abstract: PROBLEM TO BE SOLVED: To provide the subject reel driven by a battery, designed to prevent a bait or the like from attaching to the reel. SOLUTION: This reel, supported by a double bearing unit, is provided with (A) a frame 7 having a pair of side plates 7a and 7b apart from each other by a certain distance and two or more connecting members 11a to 11c which connect these side plates 7a and 7b to each other, and (B) cover members 8a and 8b, the former covering outside of the side plate 7a and freely attached to or detached from the frame 7, while the latter covering outside of the side plate 7b and fixed to the frame 7, both (A) and (B) being mounted on the reel body. A counter case 4 for displaying water depth, mounted on the upper side of the reel body, is provided with a battery case 28 having an opening at a point facing a spool 10, the opening being closed by a battery case lid 29.
Patent JP-H1082608-A (JP)
Title: Induction-type two-dimensional position-detecting apparatus
Inventor: GOTO TADATOSHI
IPC: G01D5/243
Filed: 1997-04-28
Abstract: PROBLEM TO BE SOLVED: To detect a two-dimensional position by one detecting apparatus. SOLUTION: At a base part 1 including a two-dimensional plane, an X-axis detecting part 1X and a Y-axis detecting part 1Y are arranged to cross each other on the two-dimensional plane. The X-axis detecting part includes a plurality of poles along an X-axis direction and each pole has an electromagnetic induction coupling part of a primary and a secondary windings. The Y-axis detecting part includes a plurality of poles along a Y-axis direction and each pole has an electromagnetic induction coupling part of a primary and a secondary windings. A magnetism-responsive member 3 is arranged to be shiftable relatively in the X-axis and Y-axis directions to the base part. An X-axis component position and a Y-axis component position of the member 3 are detected by the X-axis detecting part and Y-axis detecting part in accordance with a relative position of the member 3.
Patent JP-H0215212-A (JP)
Title: Automatic focusing camera
Inventor: ISHIBASHI KENJI
IPC: G02B7/28
Filed: 1989-05-18
Abstract: PURPOSE:To prevent deterioration in focusing accuracy due to an excessive driving amount of a lens by permitting release only when the defocus quantity of a photographing lens is less than a 1st prescribed amount and when the lens driving amount is less than a 2nd prescribed amount. CONSTITUTION:A focus detecting means 1 detects the focusing state of the photographing lens and outputs the defocus quantity DFO. When a moving body deciding means 5 decides the object as a moving body, a defocus quantity MDF corrected by a following and correcting means 6 is obtained, and a converting means 2 obtains the lens driving amount ERRCNT. A release permitting means 4 permits release only when the defocus quantity MDF is less than the 1st prescribed amount and when the driving amount ERRCNT outputted from the converting means 2 is less than the 2nd prescribed amount. When the lens driving amount ERRCNT is too excessive to drive the lens before subsequent exposure, release is not carried out even though the defocus quantity MDF is less than the 1st prescribed amount.
Patent JP-H11327988-A (JP)
Title: Data base replication control method between plural computers
Inventor: SHIMIZU MITSUHIRO
IPC: G06F12/00
Filed: 1998-05-07
Abstract: PROBLEM TO BE SOLVED: To eliminate the need of temporarily stopping the data base processing function of a slave computer and suppressing data updating in a local system when updated information is transmitted. SOLUTION: When the change of a data base 21 is generated in a master computer 11, data required for replication are extracted from log data for restoration other than a log for the restoration provided as the function of the data base 21 and the log for a replica is prepared. The log for the replica is distributed to the slave computer 12 by using message linkage, the translation into a data base operation language is performed based on the distributed log for the replica in the slave computer 12 and an updating processing is executed to the data base 22 of the slave computer 12.
Patent JP-S5916584-A (JP)
Title: Control device for concentration of hydrogen ion in desalting device for sea water
Inventor: KANDA AKIO
IPC: G05D21/00
Filed: 1982-07-20
Abstract: PURPOSE:To improve the responsiveness to an abrupt change in load, by constituting a titled device of a measuring device for the concn. of hydrogen ions provided in a supply line for sea water, a calculator which calculates the quantity relation between sea water and sulfuric acid and a controller which controls a feed pump for sulfuric acid. CONSTITUTION:The pH value of the sea water in the outlet of a decarbonation column 1 is measured with a pH measuring device 11, and the measuring electrical signal corresponding to said value is inputted to a calculator 13. The flow rate of the sea water is measured with a flowmeter 12 for sea water and is inputted to a calculator 13. A set pH value and the measured pH value are compared and the deviation thereof is calculated in the calculator 13, which then calculates the quantity relation between the sea water and sulfuric acid for eliminating the deviation in the pH values and outputs a command electrical signal to a controller 14. The electric signal thereof is inputted to the controller 14 and an electric control signal is fed to a feed pump 9 for sulfuric acid from the controller 14, and the pump 9 is controlled in such a way that the pH value of the sea water flowing in the 1st line 5 for supplying sea water attains a set value.